Each candidate had five minutes Saturday to make a pitch and faced questions from committee members

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With one of the front-runners for former U.S. Rep. Jesse Jackson Jr.'s congressional seat facing felony gun charges, Chicago-area Democratic officials on Saturday failed to unite behind a single candidate.

The outcome means Democrats will have an open primary in which none of the more than dozen candidates will have the edge that comes with party backing, namely through campaign money and volunteers. The district is heavily Democratic, covering most of Chicago's South Side and nearby suburbs, and the winner of the Feb. 26 primary will go on to the April 6 general election.

Who's Who in Jesse Jackson Jr.'s Political Career

None of the candidates was able to get a majority of votes from Cook County Democratic officials in Saturday's slating session, said Robert Storman, a spokesman for one of the committee members, Thornton Township Democratic boss Frank Zuccarelli.

Jackson, who held the seat for nearly 17 years, resigned from the U.S. House last month, citing his battle with bipolar disorder.

Life and Times of Jesse Jackson Jr.

Among the Democratic candidates hoping to replace him are state Sen. Donne Trotter, who was recently arrested for carrying a gun into Chicago's O'Hare International Airport, and former U.S. Rep. Debbie Halvorson, who lost a primary challenge to Jackson earlier this year.

Officials didn't ask Trotter about the gun charge during the interviews conducted in public Saturday. However, according to the Chicago Sun-Times, Trotter told reporters he was asked about it during closed-session caucusing later in the day.

Candidates to Replace Jesse Jackson Jr.

Veteran Democratic consultant Delmarie Cobb, who sat in on the sessions, said she thought an open primary was a better outcome than endorsing a candidate facing a felony charge and risking embarrassment if his legal troubles worsen. With the deep economic troubles facing the district, it was better to fully open the choice to voters, said Cobb, who worked on the campaign that first got Jackson elected in 1995.

"That way it looks like it's about the voters making the final decision and not about party favoritism," she said.

Jackson resigned last month, weeks after easily winning re-election despite not campaigning beyond a robocall or being seen publicly in months. Jackson, the son of civil rights leader Rev. Jesse Jackson, took medical leave in June for treatment of bipolar disorder. His attorneys have also said they are cooperating with federal authorities on an investigation; they have not given details on what it involves.

Jackson's wife, Alderman Sandi Jackson, did not appear at Saturday's meeting and designated Zucarelli to cast her vote.

Officials would not provide a breakdown of the slating committee's voting, but Trotter was clearly a front-runner. He had the backing of Zucarelli, who had the most influence in the process. Each member's vote was weighted based on how many votes were cast in that official's ward or township in the last election.

Trotter's question and answer session before the committee was also twice as long as others, and he got applause as he left.

Trotter was arrested Dec. 5 when Transportation Security Administration officers discovered an unloaded .25-caliber Beretta handgun and ammunition in a garment bag during routine X-ray screening. Trotter's attorney says he has the gun for his separate work with a security firm and that he forgot it was in the bag.

Other candidates include Chicago Alderman Anthony Beale, state Sen. Toi Hutchinson, former state Rep. Robin Kelly and former U.S. Rep. Mel Reynolds, whose record includes convictions for fraud and having sex with a minor. Reynolds has said he believes voters will forgive his mistakes.

Republican James Taylor, publisher of the City News in Kankakee, has also announced plans to run.